linux-kernel - [PATCH v4 05/11] rust: helpers: Remove some page helpers

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Message-ID: <20241114005631.818440-6-alistair@alistair23.me>
Date: Thu, 14 Nov 2024 10:56:25 +1000
From: Alistair Francis <alistair@...stair23.me>
To: linux-kernel@...r.kernel.org,
	benno.lossin@...ton.me,
	boqun.feng@...il.com,
	me@...enk.dev,
	alex.gaynor@...il.com,
	a.hindborg@...nel.org,
	gary@...yguo.net,
	aliceryhl@...gle.com,
	alistair.francis@....com,
	bjorn3_gh@...tonmail.com,
	tmgross@...ch.edu,
	rust-for-linux@...r.kernel.org,
	ojeda@...nel.org
Cc: alistair23@...il.com,
	Alistair Francis <alistair@...stair23.me>,
	Dirk Behme <dirk.behme@...bosch.com>
Subject: [PATCH v4 05/11] rust: helpers: Remove some page helpers

Now that we support wrap-static-fns we no longer need the custom helpers.

Signed-off-by: Alistair Francis <alistair@...stair23.me>
Tested-by: Dirk Behme <dirk.behme@...bosch.com>
---
 rust/bindgen_static_functions   | 2 ++
 rust/bindings/bindings_helper.h | 1 +
 rust/helpers/page.c             | 5 -----
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/rust/bindgen_static_functions b/rust/bindgen_static_functions
index b4032d277e72..ded5b816f304 100644
--- a/rust/bindgen_static_functions
+++ b/rust/bindgen_static_functions
@@ -11,3 +11,5 @@
 --allowlist-function PTR_ERR
 
 --allowlist-function kunit_get_current_test
+
+--allowlist-function kmap_local_page
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index 00b1c1c3ab76..452f8afc9b09 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -13,6 +13,7 @@
 #include <linux/errname.h>
 #include <linux/ethtool.h>
 #include <linux/firmware.h>
+#include <linux/highmem.h>
 #include <linux/jiffies.h>
 #include <kunit/test-bug.h>
 #include <linux/mdio.h>
diff --git a/rust/helpers/page.c b/rust/helpers/page.c
index b3f2b8fbf87f..52ebec9d7186 100644
--- a/rust/helpers/page.c
+++ b/rust/helpers/page.c
@@ -8,11 +8,6 @@ struct page *rust_helper_alloc_pages(gfp_t gfp_mask, unsigned int order)
 	return alloc_pages(gfp_mask, order);
 }
 
-void *rust_helper_kmap_local_page(struct page *page)
-{
-	return kmap_local_page(page);
-}
-
 void rust_helper_kunmap_local(const void *addr)
 {
 	kunmap_local(addr);
-- 
2.47.0